<!DOCTYPE html>
<html lang="en" xmlns:th="https://www.thymeleaf.org">
<head>
  <meta charset="UTF-8">
  <title>登录页</title>
</head>
<body>
<form action="/doLogin" method="post">
  用户名：<input type="text" name="username"/><br/>
  密码：<input type="password" name="password"/><br/>
  <input type="hidden" name="url" th:value="${url}"/>
  <input type="submit" value="登录">
</form>
</body>
</html>
